Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
MIME-Version: 1.0
Date:   Tue, 30 Apr 2019 07:36:07 -0700
Message-ID: <0000000000004101370587c052fb@google.com>
Subject: WARNING: Support for this device (Terratec Grabster AV400) is experimental.
From:   syzbot <syzbot+af8f8d2ac0d39b0ed3a0@syzkaller.appspotmail.com>
To:     andreyknvl@google.com, linux-kernel@vger.kernel.org,
        linux-usb@vger.kernel.org, syzkaller-bugs@googlegroups.com
Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Hello,

syzbot found the following crash on:

HEAD commit:    9a33b369 usb-fuzzer: main usb gadget fuzzer driver
git tree:       https://github.com/google/kasan.git usb-fuzzer
console output: https://syzkaller.appspot.com/x/log.txt?x=141ca62d200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=23e37f59d94ddd15
dashboard link: https://syzkaller.appspot.com/bug?extid=af8f8d2ac0d39b0ed3a0
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1405bedd200000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13ce3bbb200000

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+af8f8d2ac0d39b0ed3a0@syzkaller.appspotmail.com

usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice=  
d.3c
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
pvrusb2: Hardware description: Terratec Grabster AV400
pvrusb2: **********
pvrusb2: WARNING: Support for this device (Terratec Grabster AV400) is  
experimental.
pvrusb2: Important functionality might not be entirely working.
pvrusb2: Please consider contacting the driver author to help with further  
stabilization of the driver.
pvrusb2: **********


---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.

syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot can test patches for this bug, for details see:
https://goo.gl/tpsmEJ#testing-patches